brightness.brightness
=====================
**Source code:** `brightness/brightness.py <https://chromium.googlesource.com/chromiumos/platform/factory/+/refs/heads/main/py/test/pytests/brightness/brightness.py>`_

This is a factory test to check the brightness of LCD backlight or LEDs.

Test Arguments
--------------
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   * - Name
     - Type
     - Description

   * - msg
     - str, dict
     - Message HTML

   * - timeout_secs
     - int
     - (optional; default: ``10``) Timeout value for the test in seconds.

   * - levels
     - list
     - A sequence of brightness levels.

   * - interval_secs
     - int, float
     - Time for each brightness level in seconds.